Foraminifera source details
Cushman, J.A. 1921. American species of Operculina and Heterostegina and their faunal relations. U. S. Geol. Survey Prof. Paper 128-E: 125-137.
183780
10.3133/pp128E [view]
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Heterostegina ocalana Cushman, 1921 † (original description)
Heterostegina ocalana var. glabra Cushman, 1921 † (original description)
Operculina cookei Cushman, 1921 † (original description)
Operculina ocalana Cushman, 1921 † accepted as Operculinoides ocalanus (Cushman, 1921) † accepted as Nummulites ocalanus (Cushman, 1921) † (original description)
Operculina vaughani Cushman, 1921 † accepted as Operculinoides vaughani (Cushman, 1921) † accepted as Operculinella vaughani (Cushman, 1921) † (original description)
Heterostegina ocalana var. glabra Cushman, 1921 † (original description)
Operculina cookei Cushman, 1921 † (original description)
Operculina ocalana Cushman, 1921 † accepted as Operculinoides ocalanus (Cushman, 1921) † accepted as Nummulites ocalanus (Cushman, 1921) † (original description)
Operculina vaughani Cushman, 1921 † accepted as Operculinoides vaughani (Cushman, 1921) † accepted as Operculinella vaughani (Cushman, 1921) † (original description)